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    • 3. 发明授权
    • Air entraining agent for concrete and mortar mixtures
    • 混凝土和砂浆混合物加气剂
    • US5759259A
    • 1998-06-02
    • US702458
    • 1996-09-26
    • Marcel SychraHarald Steindl
    • Marcel SychraHarald Steindl
    • C04B24/34C04B40/00C09F1/04
    • C04B24/34C04B40/0039C04B2103/304C04B2111/29
    • An air entraining agent based on rosin for a composition which contains cement and which is one of mortar or concrete includes at least one rosin salt which is a reaction product of materials including rosin and from 0.5 to 50 weight % of amino alcohol; and alkali which is at least one material selected from the group consisting essentially of sodium hydroxide, potassium hydroxide, and sodium carbonate, which functions at least as a pH adjusting agent and is present in amounts effective to provide a preselected alkaline pH, and which is optionally included in the materials which form said reaction product, wherein the rosin is at least one rosin selected from the group consisting essentially of gum rosin, modified gum rosin, tall oil rosin, and wood rosin, wherein the amino alcohol is at least one amino alcohol selected from the group consisting essentially of ethanol amine, diethanol amine, triethanol amine, dimethyl ethanol amine, methyl diethanol amine, tri-n-propanol amine, triisopropanol amine, isobutyl diethanol amine, and n-butyl diethanol amine, and functions to prevent ester and amide formation, and wherein the air entraining agent has a form selected from the group comprising a solid, an aqueous solution, an aqueous colloidal suspension, and an aqueous dispersion.
    • PCT No.PCT / AT95 / 00065 Sec。 371日期1996年9月26日 102(e)1996年9月26日PCT 1995年3月30日PCT公布。 WO95 / 26936 PCT公开号 日期1996年10月12日一种基于松香的包含水泥并且是砂浆或混凝土之一的组合物的加气剂包括至少一种松香盐,其是包括松香和0.5至50重量%氨基的材料的反应产物 醇; 和碱,其是选自基本上由氢氧化钠,氢氧化钾和碳酸钠组成的组中的至少一种材料,其至少起到pH调节剂的作用,并且以有效提供预选碱性pH的量存在,并且其是 任选地包括在形成所述反应产物的材料中,其中松香是至少一种松香,其选自基本上由松香,改性香脂松香,妥尔油松香和木松香组成的组,其中氨基醇是至少一个氨基 选自基本上由乙醇胺,二乙醇胺,三乙醇胺,二甲基乙醇胺,甲基二乙醇胺,三正丙醇胺,三异丙醇胺,异丁基二乙醇胺和正丁基二乙醇胺组成的组的醇,并且具有防止 酯和酰胺形成,并且其中引气剂具有选自以下的形式:固体,水溶液,胶体水溶液 l悬浮液和水分散体。